Description
| GB | 06Cr23Ni13 |
| ISC | S30908 |
| CNS | 309S |
| JIS | SUS 309S |
| KS | STS 309S |
| ASTM | 309S |
| UNS | S30908 |
| ISO | X12CrNi 23-13 |
| EN | X12CrNi 23-13 |
| W-Nr. | 1.4833 |
309S corresponding to the Chinese brand is 0Cr23Ni13, THE American standard S30908 (AISI, ASTM) characteristics and uses: corrosion resistance, heat resistance is better than 0Cr19Ni9.
309S is a variant of the lower carbon 309 stainless steel used for soldering applications.The lower carbon content minimizes carbides precipitation in the heat-affected zone near the weld, which can lead to intergranular corrosion (welding erosion) in stainless steel in some environments.
Chemical element content(%)
| 309S | Min% | Max% |
| C | – | 0.08 |
| Si | – | 1 |
| Mn | – | 2 |
| P | – | 0.045 |
| S | – | 0.03 |
| Cr | 22 | 24 |
| Ni | 12 | 15 |
Fastener type
| BOLT | Hex bolt | DIN931(ISO 4014)
DIN933(ISO 4017) DIN961(ISO 8676) ANSI B18.2.1 JIS B1180 |
| Hex flange bolt | DIN6921
ANSI B18.2.1 |
|
| Carriage bolt | DIN603(ISO 8677)
ANSI B18.5 |
|
| Eye bolt | DIN580
DIN444 |
|
| Square head bolt | ASME B18.2.1
JIS B1182 |
|
| T bolt | DIN186
JIS B1166 |
|
| U bolt | DIN3570
IFI136 ASME B18.31.5 |
|
| Anchor bolt | ASME B18.31.5
JB/ZQ 4363 JB/ZQ4364 |
|
| SCREW | Hex socket screw | DIN912(ISO 4762)
DIN7984 DIN7991(ISO 10642) ISO 7380 ASME B18.3 |
| Machine screw | DIN963(ISO 2009)
DIN964(ISO 2010) DIN965(ISO7046) DIN966(ISO7047) ANSI B18.6.3P ANSI B18.6.3F DIN84(ISO 1207) DIN85(ISO 1580) |
|
| Set screw | DIN913(ISO 4026)
DIN914(ISO 4027) DIN915(ISO 4028) DIN916(ISO 4029 ) ANSI B18.3 |
|
| Tapping screw | ISO7049
ISO 7050 JIS B1122T DIN7982 DIN968 |
|
| Wooden screw | DIN571
ANSI B18.2.1 |
|
| NUT | Hex nut | DIN 934(ISO 4032)
ANSI B18.2.2 ANSI B18.2.4 DIN 936(ISO 4035) DIN 439(ISO 4036) ISO 8674(UNI 5587) |
| Hex flange nut | DIN6923(ISO 4161
ANSI B18.2.4.4M) IFI 145 |
|
| Lock nut | DIN985
DIN982 DIN980 DIN6926 ANSI B18.16.6 |
|
| Cover nut | DIN1587
DIN917 |
|
| Square nut | DIN557
DIN562 ANSI N18.2.2 |
|
| STUD | Stud | DIN975
DIN976 IFI136 |
| WASHER | Flat washer | DIN125(ISO 7089/ISO 7090)
DIN126(ISO 7091) DIN9021(ISO 7093) ANSI B18.22.1 |
| Spring washer | DIN127
DIN7980 |
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